boAt Immortal 121 vs boAt Rockerz 255R – Specs, Price & Comparison (2026)

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Brand	boAt	boAt
Model No	Immortal 121	Rockerz 255R
Wired / Wireless	Wireless Headphone Specification	Wireless Headphone Specification
Headphone Type	In Ear	Neckband

Magnet Type	Dynamic	Dynamic
Driver Diameter	10 mm	10 mm
Impedance	NA	16 ohm
Sensitivity	NA	-98db ±3db
Frequency Response	20 Hz - 20000 Hz	20 Hz - 20000 Hz
Maximum Power Input	5 V 2A	3.7 V / 110 mAh
Noise Cancelling	NA	No

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	5.3	4.1
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	AAC, SBC	HSP, HEP, A2TP, AVRCP
Battery Type	Lithium-Ion Batteries	Lithium
Bluetooth Range	10 Meters	10 Meters
Battery Life	10 / 40 Hours	6 Hours
Charging Time	1.5 Hours	1.5 Hours

Available Colors	Black, White	Black, Red, Green
Connector Plating	NA	NA
Cable	USB Type C Charging Cable	Micro USB Charging Cable
Weight	45 Gm	NA
Other Features	1 Year warranty. IWPâ„¢ Technology. ASAPâ„¢ Fast charge. Blazing RGB LED Lights. Nonstop music upto 40 hours. IPX4 Sweat & water resistance. Quad mics with ENxâ„¢ Technology.	IPX 5 Sweat and Water Resistance Powered By Qualcomm CSR8635 Chipset Boat Signature Audio Attractive ergonomics with a Comfort Fit
	Compare boAt Immortal 121 with: boAt Rockerz 255F boAt Rockerz 400 boAt Rockerz 380 boAt Rockerz 450 boAt 900 Wireless V2	Compare boAt Rockerz 255R with: boAt Rockerz 255F boAt Rockerz 400 boAt Rockerz 380 boAt Rockerz 450 boAt 900 Wireless V2

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